Happy 2018 to all unRAIDers.... :-)   Just upgraded to 6.4.0 - pretty excited. But I am getting the message "interface eth0 is down".   See attached. This is manifesting itself in the fact that plugins cannot ping GitHub and my "Application Lists" does not update.    So my DNS is messed up. All other systems in the house work fine. No changes on my router.    If you look at the attached - is it because my "IPv4 DNS server" setting?   I have check